Finding the Fourth Proportional to 2,020,672.17, 2,785,847.99 and 1,675,203.93
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Solution
The fourth proportional to 2,020,672.17, 2,785,847.99 and 1,675,203.93 is: 2,309,559.94
Step by Step Solution
- Step 1: Write the proportion equation
2,020,672.17 : 2,785,847.99 = 1,675,203.93 : x - Step 2: Convert to fraction form
2,020,672.17/2,785,847.99 = 1,675,203.93/x - Step 3: Cross multiply
2,020,672.17x = 2,785,847.99 × 1,675,203.93 - Step 4: Simplify right side
2,020,672.17x = 4,666,863,492,854.58 - Step 5: Solve for x
x = 4,666,863,492,854.58/2,020,672.17 - Step 6: Final answer
x = 2,309,559.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.